sync0sync.c, sync0sync.h:

  Declare 'mutex_list' and 'mutex_list_mutex' extern,
  to avoid link error on OS X and gcc flag "-fno-common"

1 files changed, 6 insertions, 0 deletions

diff --git a/innobase/sync/sync0sync.c b/innobase/sync/sync0sync.c
index f0f0e9a3a2e..43249f4b96f 100644
--- a/innobase/sync/sync0sync.c
+++ b/innobase/sync/sync0sync.c
@@ -141,6 +141,12 @@ sync_thread_t*	sync_thread_level_arrays;
 /* Mutex protecting sync_thread_level_arrays */
 mutex_t	sync_thread_mutex;
 
+/* Global list of database mutexes (not OS mutexes) created. */
+ut_list_base_node_t  mutex_list;
+
+/* Mutex protecting the mutex_list variable */
+mutex_t mutex_list_mutex;
+
 /* Latching order checks start when this is set TRUE */
 ibool	sync_order_checks_on	= FALSE;